.toast {
    width: 100vw;
    height: 100vh;
    background: RGBA(0, 0, 0, 0.6);
    position: fixed;
    top: 0;
    left: 0;
    .windows {
        position: absolute;
        top: 50%;
        left: 50%;
        background: #fff;
        transform: translate(-50%, -50%);
        border: 1px solid #000;
    }
}
 

